Exploring Iceland’s Lava Tunnel and Golden Circle: A Day of Geological Wonders
Descend into Iceland's ancient lava tunnel before venturing along the Golden Circle to witness erupting geysers, thunderous waterfalls, and tectonic rifts. This six-hour combo tour from Reykjavík blends subterranean mystery with iconic landscapes for a comprehensive taste of Iceland’s raw geology.
The Experience
Before You Go
Wear layers and waterproof gear
Prepare for varying temperatures by dressing in moisture-wicking layers and waterproof jackets, especially inside the cool, damp lava tunnel.
Bring sturdy hiking shoes
Traction and ankle support are necessary for slippery volcanic surfaces and uneven underground terrain.
Hydrate and fuel up
Carry water and plan to eat at the lunch stop between tour segments to maintain energy during the six-hour trip.
Be ready for tight spaces
The lava tube caving involves crawling and walking through narrow passages; comfort with confined spaces is recommended.
Local Knowledge
Hidden Gems
- •Small volcanic craters near the lava tube entrance rarely visited by larger tours
- •Quiet walking trails beside Þingvellir’s fissure that provide expansive views with fewer crowds
Wildlife
- •Arctic foxes occasionally spotted around Þingvellir
- •Bird species like the golden plover that nest in the area
Conservation Note
Visitor numbers are managed carefully to minimize erosion and preserve the delicate lava tube ecosystem and national park landscapes.
Þingvellir is the site of Iceland’s first parliament established in 930 AD, an early example of democracy meeting geology.
Photographer's Notes
- • Gullfoss waterfall viewpoint
- • Strokkur geyser platform
- • Þingvellir’s Almannagjá rift
What to Bring
Waterproof jacket and pantsEssential
Protects against damp and chilly conditions in the lava tube and outdoor stops.
Sturdy hiking bootsEssential
Provides grip and stability on volcanic rock and slippery surfaces.
Wool socksEssential
Keeps feet warm and dry inside hiking shoes.
Headlamp or flashlight
Useful for additional light inside the lava tunnel, though provided gear includes lighting.
Common Questions
Is previous caving experience required?
No prior experience is necessary; the guide will provide instructions and support throughout the lava tunnel section.
What should I wear on the tour?
Dress in warm, waterproof layers with sturdy hiking shoes and wool socks to stay comfortable both underground and outdoors.
Are there restroom facilities during the tour?
Basic facilities are available at the lunch stop between the lava tunnel and Golden Circle portions.
How physically demanding is the caving portion?
It involves crawling and walking on uneven terrain; those with claustrophobia or limited mobility should consider this before booking.
Is food included on the tour?
No, but there is time and places to buy snacks or meals at the switching point between tours.
Can I participate in this tour year-round?
Yes, the tour is available in all seasons but requires appropriate clothing for cold or wet conditions.
Book This Experience
Check AvailabilityDuration
6 hours
Location
Reykjavík, null
Difficulty
moderate
Fitness Level
Suitable for average fitness; requires mobility to crawl and hike on uneven ground.
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